WO2016141916A1 - Antenne réseau sonar, dispositif d'évaluation et procédé pour déterminer une information de position de sonar - Google Patents

Antenne réseau sonar, dispositif d'évaluation et procédé pour déterminer une information de position de sonar Download PDF

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Publication number
WO2016141916A1
WO2016141916A1 PCT/DE2016/100054 DE2016100054W WO2016141916A1 WO 2016141916 A1 WO2016141916 A1 WO 2016141916A1 DE 2016100054 W DE2016100054 W DE 2016100054W WO 2016141916 A1 WO2016141916 A1 WO 2016141916A1
Authority
WO
WIPO (PCT)
Prior art keywords
sonar
antenna
antennas
data
information
Prior art date
Application number
PCT/DE2016/100054
Other languages
German (de)
English (en)
Inventor
Jens Elsner
Original Assignee
Atlas Elektronik Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Atlas Elektronik Gmbh filed Critical Atlas Elektronik Gmbh
Publication of WO2016141916A1 publication Critical patent/WO2016141916A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/003—Transmission of data between radar, sonar or lidar systems and remote stations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/003—Bistatic sonar systems; Multistatic sonar systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
    • G01S3/801—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/54—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 with receivers spaced apart

Definitions

  • the invention relates to a sonar network antenna with a first sonar antenna and a second sonar antenna and an evaluation device, wherein the first sonar antenna and / or the second sonar antenna is a mobile sonar antenna and the first sonar antenna and the second sonar antenna in each case via a data stream with the evaluation data and an evaluation device, which is a component of a sonar network antenna, as well as a method for determining sonar position information.
  • passive sonars which determine by recording at a position with multiple hydrophones by signal processing in particular a bearing and distance to a sound source.
  • distributed passive sonars which are synchronized with each other by means of a cable able to record a noise source time synchronously at various positions and by signal processing, such as triangulation or TDOA (Time Difference of Arrival) / FDOA (Frequency Difference of Arrival) method to determine the distance or according to the bearing.
  • TDOA Time Difference of Arrival
  • FDOA Frequency Difference of Arrival
  • the object of the invention is to improve the state of the art.
  • the object is achieved by a sonar network antenna with a first sonar antenna, a second sonar antenna and an evaluation device, wherein the first sonar antenna and / or the second sonar antenna is a mobile sonar antenna and the first sonar antenna and the second sonar antenna in each case via a data stream with the Evaluation device are connected to exchange data and spaced from each other, wherein the data streams Sonarmesswolf and time information and / or location information of the respective sonar antenna have.
  • the great advantage of this is that not the data measured by the hydrophones are evaluated by the respective sonars on the individual ships, submarines and unmanned underwater vehicles, but that in particular the raw data or processed raw data to the evaluation be transmitted and there ultimately be converted into interpretable sonar data.
  • the sonar antennas can be operated clock-synchronously, for example by a satellite-controlled sampling of the sampling. Furthermore, it is possible to use TDOA / FDOA methods which do not require any time synchronization or determine the propagation delay differences by means of signal processing.
  • a "sonar net antenna” has at least two sonar antennas which are spaced apart from one another, and a sonar net antenna may comprise several sonar antennas, as well as sonar antennas of active or passive sonars.
  • a "sonar antenna” is the antenna of a passive or active sonar and includes one or more hydrophones.
  • a hydrophone is in particular a piezoceramic converter, which converts water sound pressure into electrical signals.
  • one of the sonar antennas of the sonar network antenna may be a mobile sonar antenna. This means that it is arranged, for example, on a ship or on a submarine.
  • the Sonar antenna may include, for example, a towed antenna, a one- or two-sided fuselage antenna and / or sosichtsonarantennen.
  • the individual sonar antennas can also cover different frequency ranges.
  • mobile is to be understood in particular that, for example, due to proper movements of a Sonarantennenismes, the distances of the individual sonar antennas to each other change
  • a sonar head can be used on an autonomous underwater vehicle and this autonomous underwater vehicle to move by means of a course in the water
  • mobile sonar antennas also include solvable solid sonar antennas, such as sonar antennas or sonar antennas on buoys stored on the seabed, for example, and mobile is to be understood as being firmly connected to a structure the connection leads to destruction of the antenna.
  • An “evaluation device” can virtually determine the actual "interpretable” sonar image from the raw data of the sonar antennas.
  • this evaluation device can also be located far away from a monitored area.
  • the evaluation device may be located in southern Germany, wherein, for example via a SATCOM connection, the raw data and / or processed data of the individual sonar antennas to the
  • the evaluation device is a powerful computer with corresponding screens on which the actual evaluation and final processing of the data takes place.
  • the evaluation is a powerful computer with corresponding screens on which the actual evaluation and final processing of the data takes place.
  • the evaluation is a powerful computer with corresponding screens on which the actual evaluation and final processing of the data takes place.
  • Transmitter devices include, for example, sends the determined situation image on the basis of the data of the sonar antennas in turn to the corresponding units by means of SATCOM system.
  • a "data stream” can be either a continuous data stream or a block-wise transmitted data stream or the data stream can be sent with a time delay, for example an autonomous underwater vehicle (AUV) can collect sonar data over a period of time and then visit the surface, The data stream can then work in a packet-switched manner so that the data stream is transmitted fail-safe via distributed network nodes.
  • AUV autonomous underwater vehicle
  • Data exchange means unidirectional as well as bi-directional data connections, and in one case it can only be transmitting and receiving at a later date from which, in turn, raw data is extractable.
  • the term "sonar measurement data” should be understood to mean in particular the signal-processed data of the hydrophones of the sonar antennas, whereby the hydrophones are referred to as piezoceramic Components designed which convert underwater sound signals into electrical signals. Of course, these data can also be signal conditioned, so that in this case is still spoken of raw data.
  • a "time information" can be an absolute
  • Be time information as they are determined for example by means of synchronized atomic clocks. In this case, the exact time at which the data is determined is transmitted in the data stream. Consequently, relative time information can also be transmitted. For example, in the event that an active pinger is provided in the sonic network antenna, certain waveforms or send at certain times, so that a conclusion on the time information can be concluded from this coded information.
  • a "location information" can also be sent in.
  • the location information can be determined relative to a fix, which can be determined by means of a GPS, for example, on the surface of a body of water
  • the first sonar antenna can also transmit location information of the second sonar antenna.
  • the first sonar antenna can thus determine the vessel with the second sonar antenna in space as an active or passive sonar antenna, so that There is also location information regarding this second sonar antenna.
  • Methodainformation also includes the position and / or the shape of the antenna and can be transmitted as a component and / or separately, as well as the depth and / or the local sound velocity and possibly a sound velocity profile Includes meta-information.
  • the sonar network antenna has a third sonar antenna, a fourth sonar antenna, a fifth sonar antenna and / or further sonar antennas, one or more of the sonar antennas being a mobile sonar antenna or mobile sonar antennas and the sonar antennas having the sonar antennae Evaluation are each connected via a data stream data exchange and spaced from each other and have the data streams, sonar measurement data and time information and / or location information of the respective sonar antenna.
  • the sonar network antenna can be enlarged spatially and / or in the resolution or improved accordingly. The corresponding definitions are analogous to the previous definitions, whereby it was expanded in each case to these other sonar antennas.
  • one of the sonar antennas or several of the Sonar antennas be stationary or arranged on a watercraft.
  • the vessel may be manned or unmanned submersibles or else manned and unmanned vessels such as ships or buoys.
  • one or more of the data streams includes or has sonar configuration information.
  • sonar antenna configuration information includes the type of sonar involved and, for example, a sonar head of an AUV, or a side vision sonar and / or a tow sonar. Information regarding the number and quality of the hydrophones and the like may also be included in such information.
  • the data streams can be block-wise and / or packet-oriented and transmitted accordingly.
  • the sonar data determined at one time can be transmitted in one block.
  • this block or accordingly also in a Package be provided so-called header and / or trailer information in which, for example, the time information, location information, sonar configuration and / or appropriate security or reconstruction information such as CRC information deposited.
  • the packet-oriented transmission is particularly recommended in distributed networks, so that in case of failure of a network node is still guaranteed that the information reaches the receiver safely.
  • the sonar network antenna can have a transmitter which is set up such that an encoded, in particular time-coded and / or shape-coded, active underwater sound signal can be transmitted.
  • Underwater sound signals can also be transmitted or determined corresponding time information.
  • a corresponding signal can be sent to the water at a fixed time.
  • the actual time signal and / or the waveform signal is issued in the
  • the object is achieved by an evaluation device, which is a component of a previously described sonic network antenna, wherein the evaluation device is set up in such a way that sonar position information is determined on the basis of the data streams.
  • Sonar position information especially in a supervised maritime area, provides the local decision-makers with a situational picture enabling them to decide on possible steps.
  • the object is achieved by a method for determining a sonar position information by means of a previously described evaluation device with the following steps:
  • the sonar attitude information can be sent to a recipient and / or to multiple recipients.
  • high-performance computers can determine the corresponding sonar position information at a central location and make them available to mobile forces which do not have such powerful computers.
  • FIGURE 1 shows a highly schematic representation of a monitored sea area with three mobile sonar antennas and one target object.
  • a sonar network antenna 101 comprises two submarines 107, 109, each of which has two fuselage sonars and Bugsonare.
  • the sonar network antenna 101 comprises an AUV (Autonomous Underwater Vehicle) 103, which has an active sonar head 105.
  • AUV Autonomous Underwater Vehicle
  • the AUV 103 and the submarines 107, 109 are in a communication link 137 with a platform 111, at which an evaluation of corresponding sonar data takes place.
  • the sonic network antenna 101 additionally comprises an active pinger 113, which at regular intervals introduces an underwater sound signal 131 into the supervised sea area.
  • the target submarine 115 is to be found in the monitored sea area. Under the sound of the sound of the target submarine 115 underwater sound signals are emitted. These underwater sound signals are received by the hydrophones of the individual antennas of the submarines 107, 109 and the AUV 105.
  • Evaluation platform 111 a situation image, which is then transmitted as sonarata data to the submarines 107, 109.
  • the active pinger 113 it sends out a water sound signal 131 at regular defined time intervals. This water sound signal is reflected at the target submarine 115 and received by the sonar head 105 of the AUV 103 and the corresponding sonars of the submarines 107, 109.
  • the corresponding data are transmitted signal processed to the evaluation platform 111. This information is recorded in each case and the corresponding time offsets of the water sound signals 131 are determined and transmitted to the evaluation platform 111.
  • the evaluation platform 111 is synchronized with the active pinger 113 and the evaluation platform 111 is aware of when the active pinger 113 first emitted an underwater sound signal 131, the time difference between two consecutive signals, in particular the first one and the second signal, and the known position of AUV 103 and submarines 107, 109 creates a situation image, which in turn is transmitted to the submarines 107 and 109.

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

L'invention concerne une antenne réseau sonar comportant une première antenne sonar, une deuxième antenne sonar et un dispositif d'évaluation, la première antenne sonar et/ou la deuxième antenne sonar étant une antenne sonar mobile et la première antenne sonar et la deuxième antenne sonar étant connectées au dispositif d'évaluation au moyen d'un flux de données de façon à échanger des données et étant espacées l'une de l'autre. Les flux de données présentent des données de mesure de sonar et une information de temps et/ou une information de position de l'antenne sonar respective.
PCT/DE2016/100054 2015-03-06 2016-02-09 Antenne réseau sonar, dispositif d'évaluation et procédé pour déterminer une information de position de sonar WO2016141916A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015103324.0A DE102015103324A1 (de) 2015-03-06 2015-03-06 Sonarnetzantenne und Auswerteeinrichtung sowie Verfahren zum Bestimmen einer Sonarlageinformation
DE102015103324.0 2015-03-06

Publications (1)

Publication Number Publication Date
WO2016141916A1 true WO2016141916A1 (fr) 2016-09-15

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PCT/DE2016/100054 WO2016141916A1 (fr) 2015-03-06 2016-02-09 Antenne réseau sonar, dispositif d'évaluation et procédé pour déterminer une information de position de sonar

Country Status (2)

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DE (1) DE102015103324A1 (fr)
WO (1) WO2016141916A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107942336A (zh) * 2017-11-13 2018-04-20 武汉大学 适用于复杂水环境的鱼类超声波标记精密定位方法及系统
CN111107945A (zh) * 2017-09-22 2020-05-05 株式会社Lg化学 用于生产膜的方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5331602A (en) * 1993-04-26 1994-07-19 Hughes Aircraft Company Acoustic navigation and diving information system and method
US5784339A (en) * 1997-04-16 1998-07-21 Ocean Vision Technology, Inc. Underwater location and communication system
US20070025185A1 (en) * 2005-04-27 2007-02-01 Green Maurice D Underwater geopositioning methods and apparatus
US20110096632A1 (en) * 2004-06-12 2011-04-28 Pearce Christopher D Robust underwater communication system
US20120243375A1 (en) * 2011-03-25 2012-09-27 Teledyne Instruments, Inc. Determining a position of a submersible vehicle within a body of water

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5331602A (en) * 1993-04-26 1994-07-19 Hughes Aircraft Company Acoustic navigation and diving information system and method
US5784339A (en) * 1997-04-16 1998-07-21 Ocean Vision Technology, Inc. Underwater location and communication system
US20110096632A1 (en) * 2004-06-12 2011-04-28 Pearce Christopher D Robust underwater communication system
US20070025185A1 (en) * 2005-04-27 2007-02-01 Green Maurice D Underwater geopositioning methods and apparatus
US20120243375A1 (en) * 2011-03-25 2012-09-27 Teledyne Instruments, Inc. Determining a position of a submersible vehicle within a body of water

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111107945A (zh) * 2017-09-22 2020-05-05 株式会社Lg化学 用于生产膜的方法
CN107942336A (zh) * 2017-11-13 2018-04-20 武汉大学 适用于复杂水环境的鱼类超声波标记精密定位方法及系统
CN107942336B (zh) * 2017-11-13 2019-08-02 武汉大学 适用于复杂水环境的鱼类超声波标记精密定位方法及系统

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